Captain Linda Lewis has a nice PowerPoint presentation that shows you how to plan a course to steer your boat when you need to compensate for current in the water.
Captain Linda Lewis is a senior instructor with the Coast Guard Auxiliary, she has 40 years of boating experience, University of Washington Associate Professor Emeritus, is a popular speaker on marine navigation issues and writes regularly for boating magazines.
Boating Safety Tips, Tricks & Thoughts from Captnmike 